<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/Http_Servlet" method="POST">
        <input name="username">
        <input type="submit" value="提交">
    </form>

    <hr>

    <a href="/request/Referer">到/request/Referer...</a>
    <hr>
    <a href="/Referer">到/Referer...</a>
</body>
</html>